Finding the Fourth Proportional to 542,079.27, 813,120.69 and 137,271.26
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Solution
The fourth proportional to 542,079.27, 813,120.69 and 137,271.26 is: 205,907.33
Step by Step Solution
- Step 1: Write the proportion equation
542,079.27 : 813,120.69 = 137,271.26 : x - Step 2: Convert to fraction form
542,079.27/813,120.69 = 137,271.26/x - Step 3: Cross multiply
542,079.27x = 813,120.69 × 137,271.26 - Step 4: Simplify right side
542,079.27x = 111,618,097,582.77 - Step 5: Solve for x
x = 111,618,097,582.77/542,079.27 - Step 6: Final answer
x = 205,907.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.